/** * @test */ public function removeCacheFilesFlushesSystemCaches() { $mockCacheManager = $this->getMock('TYPO3\\CMS\\Core\\Cache\\CacheManager', array('flushCachesInGroup')); $mockCacheManager->expects($this->once())->method('flushCachesInGroup')->with('system'); ExtensionManagementUtilityAccessibleProxy::setCacheManager($mockCacheManager); ExtensionManagementUtility::removeCacheFiles(); }